#include <stdio.h>
int main(){
	printf("字符型变量占用的内存是%d\n",sizeof(char));
	printf("整型变量占用的内存是%d\n",sizeof(int));
	printf("double型变量占用的内存是%d\n",sizeof(double));

	int ii;
	printf("ii型变量占用的内存是%d\n",sizeof(ii));
	printf("ii型变量占用的内存是%d\n",sizeof ii);
}
